68300

Everyone, thank you very much for your help. it works great.

Andrei

At 11:28 AM 7/16/2003 -0700, you wrote:
>Hello everyone,
>
>Interrupt Acknowledgement Cycles always drive the address bus to $FF 
>FFFx.  Programming the Base Address register to $FFF8 will give the 
>address match.
>
>The programming of the option register to $6B01 will make the SPACE field 
>= 00 for CPU space, the IPL field = 000 for all interrupts, and AVEC = 1 
>for generate AVEC.
>
>Regards,
>
>Charlie

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Andrei Chichak               #200 10835-120 Street
Senior Software Developer    Edmonton, Alberta
Pulmonox Medical Inc.        Canada
                              T5H 3P9
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